516821952 has 28 divisors (see below), whose sum is σ = 1367425256. Its totient is φ = 172273920.

The previous prime is 516821941. The next prime is 516821953. The reversal of 516821952 is 259128615.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 516821952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516821953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345699 + ... + 1346082.

Almost surely, 2^516821952 is an apocalyptic number.

It is an amenable number.

516821952 is an abundant number, since it is smaller than the sum of its proper divisors (850603304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516821952 is a wasteful number, since it uses less digits than its factorization.

516821952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691796 (or 2691786 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 516821952 is about 22733.7183936108. The cubic root of 516821952 is about 802.5035902053.

The spelling of 516821952 in words is "five hundred sixteen million, eight hundred twenty-one thousand, nine hundred fifty-two".